package com.heima.wemedia.service.Impl;

import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.heima.common.exception.CustException;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.wemedia.dtos.WmUserDTO;
import com.heima.model.wemedia.pojos.WmUser;
import com.heima.model.wemedia.vos.WmUserVO;
import com.heima.utils.common.AppJwtUtil;
import com.heima.wemedia.mapper.WmUserMapper;
import com.heima.wemedia.service.WmUserService;
import io.seata.common.util.StringUtils;

import org.springframework.beans.BeanUtils;
import org.springframework.stereotype.Service;
import org.springframework.util.DigestUtils;


import java.util.HashMap;

@Service
public class WmUserServiceImpl extends ServiceImpl<WmUserMapper, WmUser> implements WmUserService {
    @Override
    public ResponseResult login(WmUserDTO dto) {

        //1。检查参数
        if (StringUtils.isBlank(dto.getName()) || StringUtils.isBlank(dto.getPassword())) {
            CustException.cust(AppHttpCodeEnum.PARAM_INVALID);
        }

        //2。查询自媒体用户
        WmUser wmUser = getOne(Wrappers.<WmUser>lambdaQuery().eq(WmUser::getName, dto.getName()));

        if (wmUser == null) {
            CustException.cust(AppHttpCodeEnum.DATA_NOT_EXIST);
        }
        String password = DigestUtils.md5DigestAsHex((dto.getPassword() + wmUser.getSalt()).getBytes());
        if (!wmUser.getPassword().equals(password)) {
            CustException.cust(AppHttpCodeEnum.LOGIN_PASSWORD_ERROR);
        }
        //3。返回jwt结果
        String token = AppJwtUtil.getToken(Long.valueOf(wmUser.getId()));


        HashMap<String, Object> map = new HashMap<>();
        map.put("token", token);
        WmUserVO userVO = new WmUserVO();
        BeanUtils.copyProperties(wmUser, userVO);

        map.put("user", userVO);
        return ResponseResult.okResult(map);
    }
}
